Bastnasite and Forsterite Physical Properties

Bastnasite

Forsterite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

4.95-5.03.23-3.26

1 7.18

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Fracture

Uneven

Conchoidal

Cleavage

Imperfect to indistinct on {10 1 0}, parting on {0001}

Perfect on {010} imperfect on {100}

Mohs Hardness

4-56.5-7

2 10

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Chemical Composition

(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Bastnasite and Forsterite Chemical Formula

While comparing Bastnasite and Forsterite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Bastnasite and Forsterite chemical formula.

Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Forsterite- Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Bastnasite and Forsterite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bastnasite and Forsterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bastnasite and Forsterite Optical Properties during the identification of gemstone. Specific gravity of Bastnasite is 3.23-3.26 whereas that of Forsterite is 3.23-3.26.